:root {
  --bg: #0b1020;
  --panel: rgba(255, 255, 255, 0.06);
  --panel-2: rgba(255, 255, 255, 0.09);
  --text: rgba(255, 255, 255, 0.92);
  --muted: rgba(255, 255, 255, 0.72);
  --muted-2: rgba(255, 255, 255, 0.55);
  --brand: #4f8ef7;
  --brand-2: #7aa7ff;
  --border: rgba(255, 255, 255, 0.10);
  --shadow: 0 18px 45px rgba(0, 0, 0, 0.35);
  --radius: 18px;
  --focus: rgba(122, 167, 255, 0.45);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji",
    "Segoe UI Emoji";
  color: var(--text);
  background:
    radial-gradient(1200px 700px at 20% 10%, rgba(79, 142, 247, 0.35), transparent 55%),
    radial-gradient(900px 600px at 80% 20%, rgba(163, 216, 167, 0.22), transparent 55%),
    radial-gradient(700px 500px at 65% 85%, rgba(255, 183, 77, 0.18), transparent 60%),
    var(--bg);
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

html.menu-open,
html.menu-open body { overflow: hidden; }

.container {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.spacer { height: 14px; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(10px);
  background: rgba(11, 16, 32, 0.55);
  border-bottom: 1px solid var(--border);
}

.topbar-inner {
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  letter-spacing: 0.2px;
}

.brand .logo {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.35);
}

.nav {
  display: flex;
  align-items: center;
  gap: 18px;
  color: var(--muted);
  font-size: 14px;
}

.nav a:hover { color: var(--text); }
.nav a.active {
  color: var(--text);
  position: relative;
}
.nav a.active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -10px;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, transparent, rgba(122, 167, 255, 0.95), transparent);
}

.cta {
  display: flex;
  align-items: center;
  gap: 10px;
}

.icon-btn {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}
.icon-btn:hover {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(255, 255, 255, 0.16);
  transform: translateY(-1px);
}
.icon-btn:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}
.menu-icon {
  width: 18px;
  height: 12px;
  display: inline-block;
  background:
    linear-gradient(var(--text), var(--text)) 0 0 / 100% 2px no-repeat,
    linear-gradient(var(--text), var(--text)) 0 50% / 100% 2px no-repeat,
    linear-gradient(var(--text), var(--text)) 0 100% / 100% 2px no-repeat;
  opacity: 0.92;
}

.mobile-menu {
  border-bottom: 1px solid var(--border);
  background: rgba(11, 16, 32, 0.78);
  backdrop-filter: blur(12px);
}
.mobile-menu-inner {
  padding: 10px 0 16px;
  display: grid;
  gap: 6px;
}
.mobile-menu-inner a {
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid transparent;
  color: var(--muted);
}
.mobile-menu-inner a:hover {
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.10);
  background: rgba(255, 255, 255, 0.04);
}
.mobile-menu-cta {
  padding: 10px 0 0;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.btn {
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  padding: 10px 14px;
  border-radius: 12px;
  font-size: 14px;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}

.btn:hover {
  background: var(--panel-2);
  border-color: rgba(255, 255, 255, 0.16);
  transform: translateY(-1px);
}

.btn.primary {
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  border-color: rgba(255, 255, 255, 0.18);
  box-shadow: 0 14px 34px rgba(79, 142, 247, 0.35);
}

.btn.primary:hover {
  box-shadow: 0 16px 40px rgba(79, 142, 247, 0.42);
}

.hero {
  padding: 64px 0 40px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 28px;
  align-items: center;
}

.badge {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  color: var(--muted);
  padding: 8px 12px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
  border-radius: 999px;
  font-size: 13px;
}

.title {
  font-size: clamp(34px, 5vw, 52px);
  line-height: 1.05;
  margin: 14px 0 10px;
  letter-spacing: -0.8px;
}

.subtitle {
  font-size: 16px;
  line-height: 1.7;
  color: var(--muted);
  margin: 0 0 22px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}

.hero-meta {
  color: var(--muted-2);
  font-size: 13px;
  line-height: 1.6;
}

.phone-card {
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow);
}

.phone {
  border-radius: 22px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.02);
  overflow: hidden;
  aspect-ratio: 9 / 19.5;
  display: flex;
  align-items: center;
  justify-content: center;
}

.phone .placeholder {
  width: 82%;
  text-align: center;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.phone-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: translateZ(0);
}

.hint {
  margin-top: 12px;
  color: rgba(255, 255, 255, 0.6);
  font-size: 13px;
  line-height: 1.5;
}

.section {
  padding: 44px 0;
}

.section h2 {
  margin: 0 0 10px;
  font-size: 26px;
  letter-spacing: -0.3px;
}

.section p.lead {
  margin: 0 0 18px;
  color: var(--muted);
  line-height: 1.7;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.card {
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.045);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: 0 0 0 rgba(0,0,0,0);
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}
.card:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.14);
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.18);
  transform: translateY(-1px);
}

.card h3 {
  margin: 10px 0 6px;
  font-size: 16px;
}

.card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
  font-size: 14px;
}

.icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(79, 142, 247, 0.18);
  border: 1px solid rgba(79, 142, 247, 0.25);
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.small-muted {
  margin: 10px 0 0;
  color: rgba(255, 255, 255, 0.65);
  font-size: 13px;
  line-height: 1.6;
}

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.stat {
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.035);
  border-radius: var(--radius);
  padding: 14px 14px 13px;
}
.stat-num {
  font-weight: 800;
  letter-spacing: -0.2px;
  font-size: 18px;
  margin-bottom: 6px;
  background: linear-gradient(135deg, rgba(255,255,255,0.95), rgba(122,167,255,0.92));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.stat-text {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.screens {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.screen {
  margin: 0;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.screen img {
  width: 100%;
  aspect-ratio: 9 / 19.5;
  object-fit: cover;
  object-position: top;
}
.screen figcaption {
  padding: 12px 14px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.qr-card {
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
  border-radius: var(--radius);
  padding: 16px;
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 16px;
  align-items: center;
}
.qr {
  width: 140px;
  height: 140px;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  overflow: hidden;
  background: rgba(255, 255, 255, 0.03);
}
.qr img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.qr-title {
  margin: 0 0 8px;
  font-size: 16px;
}
.qr-text {
  margin: 0 0 14px;
  color: var(--muted);
  line-height: 1.7;
  font-size: 14px;
}
.qr-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.faq {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}
.faq details.card {
  padding: 0;
  overflow: hidden;
}
.faq summary {
  list-style: none;
  cursor: pointer;
  padding: 16px;
  user-select: none;
  font-weight: 650;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  float: right;
  color: rgba(255, 255, 255, 0.70);
}
.faq details[open] summary::after { content: "–"; }
.faq details p {
  padding: 0 16px 16px;
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
  font-size: 14px;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.contact-label {
  color: rgba(255, 255, 255, 0.65);
  font-size: 13px;
  margin-bottom: 6px;
}
.contact-value {
  font-weight: 650;
  color: rgba(255, 255, 255, 0.86);
  word-break: break-all;
}

.footer {
  padding: 34px 0 50px;
  color: var(--muted-2);
  border-top: 1px solid var(--border);
  background: rgba(11, 16, 32, 0.45);
}

.footer-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  align-items: center;
  justify-content: space-between;
}

.links {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.links a:hover { color: var(--text); }

@media (max-width: 920px) {
  .hero-grid { grid-template-columns: 1fr; }
  .phone-card { max-width: 520px; }
  .grid { grid-template-columns: 1fr; }
  .split { grid-template-columns: 1fr; }
  .nav { display: none; }
  .cta { display: none; }
  .icon-btn { display: inline-flex; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .screens { grid-template-columns: 1fr; }
  .qr-card { grid-template-columns: 1fr; }
  .qr { width: 160px; height: 160px; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn, .card, .icon-btn { transition: none !important; }
}